Product Summary

The SN74HC21PWRE4 is a dual 4-input positive-and gate. It contains two independent 4-input AND gates. The SN74HC21PWRE4 performs the Boolean function Y=A·B·C·D or Y=A+B+C+D in positive logic.

Parametrics

SN74HC21PWRE4 absolute maximum ratings: (1)Supply voltage range, VCC: –0.5 V to 7 V; (2)Input clamp current, IIK (VI < 0 or VI > VCC): ±20 mA; (3)Output clamp current, IOK (VO < 0 or VO > VCC): ±20 mA; (4)Continuous output current, IO (VO = 0 to VCC): ±25 mA; (5)Continuous current through VCC or GND: ±50 mA; (6)Package thermal impedance, θJA: D package: 86℃/W, N package: 80℃/W, NS package: 76℃/W, PW package: 113℃/W; (7)Storage temperature range, Tstg: –65℃ to 150℃.

Features

SN74HC21PWRE4 features: (1)Wide Operating Voltage Range of 2 V to 6 V; (2)Outputs Can Drive Up To 10 LSTTL Loads; (3)Low Power Consumption, 20-μA Max ICC; (4)Typical tpd = 11 ns; (5)±4-mA Output Drive at 5 V; (6)Low Input Current of 1 μA Max.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SN74HC21PWRE4
SN74HC21PWRE4
Texas Instruments
Gates (AND / NAND / OR / NOR) Dual 4-input Positive-AND Gates
Data Sheet
0-1: $0.23
1-25: $0.17
25-100: $0.14
100-250: $0.12
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SN7400
SN7400
Other

Data Sheet
Negotiable 
SN7400D
SN7400D
Texas Instruments
Gates (AND / NAND / OR / NOR) Quad 2-input Positive-NAND gates
Data Sheet
0-1: $0.79
1-25: $0.71
25-100: $0.62
100-250: $0.55
SN7400DE4
SN7400DE4
Texas Instruments
Gates (AND / NAND / OR / NOR) Quad 2-input Positive-NAND gates
Data Sheet
0-1: $0.79
1-25: $0.64
25-100: $0.58
100-250: $0.51
SN7400DG4
SN7400DG4
Texas Instruments
Gates (AND / NAND / OR / NOR) Quad 2-input Pos- NAND
Data Sheet
0-1: $0.79
1-25: $0.71
25-100: $0.62
100-250: $0.55
SN7400DR
SN7400DR

IC QUAD 2IN POS-NAND GATE 14SOIC
Data Sheet
Negotiable 
SN7400DRE4
SN7400DRE4

IC QUAD 2IN POS-NAND GATE 14SOIC
Data Sheet
Negotiable